| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Discover our high-quality Mission Drill Bits for water well and mining drilling. We are a trusted supplier and manufacturer of DTH Rock Drill Bits, DHD Drill Bits, SD Drill Bits, Mission Drill Bits, Ql Drill Bits, Mach Drill Bits, Br Drill Bits, Numa Drill Bits, and Button Bits. Our products are designed for efficient mining drilling and blasting hole drilling. We also offer water well drilling tools, casing tubes, and drilling equipment. Choose us as your reliable supplier for rock drilling tools and drill bits.
Ideal for achieving high penetration rates in soft to medium hard and fissured rock formations. Suitable for low to medium air pressures and offers maximum hole deviation control.
Designed for all-around applications in medium hard and homogeneous rock formations. Provides good hole deviation control and flushing capacity.
Offers high penetration rates in soft to medium-hard formations with low to medium air pressures. Resistant to steel wash and reduces load and wear on gauge buttons, but may have poor hole deviation control.
Suitable for hard to very hard and abrasive rock formations with high air pressures. Provides good penetration rates and resistance to steel wash.
For more information, please visit the website of Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
| Raw Material |
Discover our top-quality steel and carbide products designed for various applications.
Experience the exceptional strength, heat resistance, and durability of our first-class special alloy steel. Engineered to withstand the toughest conditions, our steel ensures reliable performance and longevity.
Our product features the best tungsten carbides sourced from China, renowned for their superior quality and reliability. Widely used in various industries, these carbides offer exceptional hardness and wear resistance. Additionally, we also offer tungsten carbide from Europe, providing a wider range of options to suit your specific needs.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for high-quality steel and carbide products that meet the demands of English-speaking natives. Experience the difference in performance and reliability with our top-notch materials.
| Model | Bit diameter mm(inch) | Weight |
| TH79(3.5inch) | 90mm-100mm(3 1/2-3 7 /8) | 4-4.5 |
| DHD3.5 | 90mm-105mm(3 1/2-4 1/8) | 4.5-5.5 |
| BR33 | 90mm-100mm(3 1/2-3 7 /8) | 4-4.5 |
| DHD340 | 105mm-138mm(4 1/10-5 2/5) | 8-12 |
| QL40 | 110mm-133mm(4 3/8-5 1/4) | 10-12 |
| DHD350 | 135mm-165mm(5 3/10-6 1/2) | 15.2-18 |
| MISSION50 | 138mm-165mm(5 2/5-6) | 16-18 |
| QL50 | 138mm-152mm(5 2/5-6) | 16-18 |
| SD5 | 138mm-152mm(5 2/5-6) | 16-18 |
| MAHC50TS398(20inch) | 138mm-152mm(5 2/5-6) | 16-18 |
| DHD360 | 152mm-203mm(6-8) | 24-33 |
| MISSION60 | 152mm-203mm(6-8) | 21-30 |
| SD6 | 152mm-254mm(6-10) | 24-50 |
| QL60(COP64G) | 152mm-203mm(6-8) | 24-33 |
| XL60 | 152mm-190mm(6-7 1/2) | 22-27 |
| DHD380 | 200mm-305mm(7 7/8-12) | 47-82 |
| SD8 | 200mm-305mm(7 7/8-12) | 47-82 |
| QL80 | 200mm-305mm(7 7/8-12) | 48-84 |
| TH220 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| NUMA100 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| SD10 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| DHD112 | 310mm-444.5mm(12 1/5-17 1/2) | 140-252 |
| SD12 | 310mm-444.5mm(12 1/5-17 1/2) | 142-254 |
| NUMA120 | 310mm-444.5mm(12 1/5-17 1/2) | 140-252 |
| TH398(20inch) | 500mm-550mm(19 3/5-21 3/5) | 480-510 |
| TH600(32inch) | 800mm-1000mm(31 2/5-39 3/10) | 680-984 |
| Package |
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